CN204366249U - For the pipe plugging of argon protection welding - Google Patents

For the pipe plugging of argon protection welding Download PDF

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Publication number
CN204366249U
CN204366249U CN201420770887.8U CN201420770887U CN204366249U CN 204366249 U CN204366249 U CN 204366249U CN 201420770887 U CN201420770887 U CN 201420770887U CN 204366249 U CN204366249 U CN 204366249U
Authority
CN
China
Prior art keywords
baffle plate
tracheae
argon
air outlet
welded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420770887.8U
Other languages
Chinese (zh)
Inventor
张宏彬
谢永春
程兆欣
李凡
刘庆国
杨海军
许东
张永伟
黄德家
姜维
刘梅
刘宇婕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
Offshore Oil Engineering Qingdao Co Ltd
Original Assignee
China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
Offshore Oil Engineering Qingdao Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Offshore Oil Corp CNOOC, Offshore Oil Engineering Co Ltd, Offshore Oil Engineering Qingdao Co Ltd filed Critical China National Offshore Oil Corp CNOOC
Priority to CN201420770887.8U priority Critical patent/CN204366249U/en
Application granted granted Critical
Publication of CN204366249U publication Critical patent/CN204366249U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of pipe plugging for argon protection welding, comprise: be arranged on the two-layer baffle plate of pipe ends to be welded, be clipped in high-temperature flexible material between two-layer baffle plate, wherein, connected as one by a tube connector between the inner side of two-layer baffle plate, and form a closed chamber; Baffle plate is provided with several circular hole, and this circular hole runs through high-temperature flexible material, and baffle plate is provided with the air outlet slit and Ar inlet that adopt argon filling tracheae and emptying tracheae difference spreading up and down; A tow rope chain is connected with the center position of the baffle plate of argon filling tracheae, emptying tracheae homonymy; The end of argon filling tracheae, emptying tracheae is separately installed with an Ar inlet valve, air outlet valve, and the front end of air outlet valve is provided with a Pressure gauge in order to keep manifold pressure to be welded to be in slight positive pressure state.The utility model, when pipeline carries out argon protection welding, makes closed chamber volume much smaller than whole piping volume, greatly reduces the consumption of argon gas, improve welding efficiency, reduce production cost.

Description

For the pipe plugging of argon protection welding
Technical field
The utility model relates to pipeline welding, particularly relates to a kind of pipe plugging for argon protection welding.
Background technology
Argon gas protection weldering uses argon gas as a kind of solder technology of protective gas, that is: around arc welding, lead to argon shield gas, by air insulated outside welding zone, thus, prevent the oxidation of wlding.Therefore, can the non-ferrous metal such as soldering stainless steel, aluminium class.
At present, during argon shield weldering welding, usually, will treat that the non-solder end of two pipelines of welding uses water-soluble paper whole pipe ends to be sealed, then, then two pipelines of docking are filled argon gas, weld as protective gas.Owing to needing to fill a large amount of argon gas in the pipeline treating welding, and the time of the displacement of argon gas and air is longer, the capacity that required argon gas amount will be far longer than in actual closed chamber, therefore, consumes a large amount of argon gas, adds production cost, reduce welding efficiency.
Utility model content
Main purpose of the present utility model is the above-mentioned shortcoming overcoming prior art existence; and a kind of pipe plugging for argon protection welding of improvement is provided; it is when pipeline carries out argon protection welding; make closed chamber volume much smaller than whole piping volume; not only greatly reduce the consumption of argon gas, shorten the applying argon gas time, and; substantially increase welding efficiency, reduce production cost.
The purpose of this utility model is realized by following technical scheme:
A kind of pipe plugging for argon protection welding, it is characterized in that: comprising: be arranged on the two-layer baffle plate of pipe ends to be welded, be clipped in high-temperature flexible material between two-layer baffle plate, wherein, adopt a tube connector to connect as one between the inner side of two-layer baffle plate, and form a closed chamber; Baffle plate is provided with several circular hole, and this circular hole runs through high-temperature flexible material, in laterally zygomorphic two circular holes of baffle edge, be separately installed with the air outlet slit adopting argon filling tracheae and emptying tracheae spreading and Ar inlet; A tow rope chain is connected with the center position of the baffle plate of argon filling tracheae, emptying tracheae homonymy; The end of argon filling tracheae, emptying tracheae is separately installed with one in whole welding operation process, in order to keep the air pressure in closed chamber higher than Ar inlet valve, the air outlet valve of the ambient atmosphere pressure outside closed chamber, and the front end of air outlet valve is provided with a Pressure gauge in order to keep manifold pressure to be welded to be in slight positive pressure state.
Described baffle plate adopts corrosion resistant plate material, and shape is: the circle matched with pipeline.
Described high-temperature flexible material is: high temperature resistant nylon or refractory fiber blanket, and the diameter of flexible material is greater than pipeline 10-15mm to be welded.
The welding bead place of described pipeline to be welded is wound with one week water-soluble adhesive tape.
Described air outlet slit, Ar inlet all adopt the stainless steel tube of band snap joint.
Described argon filling tracheae, emptying tracheae all adopt the flexible pipe of band snap joint.
Described tube connector is corrugated stainless steel tubing.
The beneficial effects of the utility model: the utility model is owing to adopting technique scheme; it is when pipeline carries out argon protection welding; make closed chamber volume much smaller than whole piping volume; not only greatly reduce the consumption of argon gas; shorten the applying argon gas time; and, substantially increase welding efficiency, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Major label description in figure:
1. baffle plate, 2. high-temperature flexible material, 3. corrugated stainless steel tubing, 4. argon filling tracheae, 5. emptying tracheae, 6. Ar inlet, 7. closed chamber, 8. welding bead, 9. water-soluble adhesive tape, 10, pipeline to be welded, 11. set bolts, 12 rope chains, 13. Ar inlet valves, 14. air outlet valves, 15. air outlet slits.
Detailed description of the invention
As shown in Figure 1, the utility model comprises: mode with bolts be arranged on pipeline 10 two ends to be welded two-layer baffle plate 1, be clipped in high-temperature flexible material 2 between two-layer baffle plate 1, wherein, be by a tube connector between the inner side of two-layer baffle plate 1 and adopt welding manner to connect as one, and form a closed chamber 7; Baffle plate 1 edge is provided with several circular hole, and this circular hole runs through high-temperature flexible material 2, part circular hole is for fixing the bolt hole of two end-stopping plates, air outlet slit 15 and Ar inlet 6 is separately installed with in laterally zygomorphic two circular holes in baffle plate 1 edge, and the length of pipeline to be welded 10 according to welding, adopt argon filling tracheae 4 and emptying tracheae 5 spreading air outlet slit 15 and Ar inlet 6 respectively; A rope chain 12 is connected with, for pulling baffle plate 1 with the center position mode with bolts of the baffle plate 1 of argon filling tracheae 4, emptying tracheae 5 homonymy; The end of argon filling tracheae 4, emptying tracheae 5 is separately installed with in whole welding operation process, in order to keep the air pressure in welding booth higher than Ar inlet valve 13, the air outlet valve 14 of the ambient atmosphere pressure outside welding booth, and the front end of air outlet valve 14 is provided with one is in the Pressure gauge of slight positive pressure state in order to keep pressure in pipeline 10 to be welded.
Above-mentioned baffle plate 1 adopts corrosion resistant plate material, and shape is: the circle matched with pipeline.
Above-mentioned high-temperature flexible material 2 is: high temperature resistant nylon or refractory fiber blanket, and the diameter of high-temperature flexible material 2 is greater than pipeline 10-15mm to be welded.
Above-mentioned air outlet slit 15, Ar inlet 6 all adopt the stainless steel tube of band snap joint.
Above-mentioned argon filling tracheae 4, emptying tracheae 5 all adopt the flexible pipe of band snap joint.
Above-mentioned tube connector is corrugated stainless steel tubing 3.
During use, the utility model is arranged on the side of pipeline 10 to be welded, to ensure that air outlet slit 15 is upper, Ar inlet 6 immediately below, with the argon filling tracheae 4 of snap joint, emptying tracheae 5 and rope chain 12 pass the pipeline of opposite side to be welded, the snap joint of emptying tracheae 5 is connected with the snap joint of air outlet slit 15, the snap joint of argon filling tracheae 4 is connected with the snap joint of Ar inlet 6, group is to two pipelines 10 to be welded, and wind with one circuit with welding bead 8 place of water-soluble adhesive tape 9 by pipeline 10 to be welded, then, open Ar inlet valve 13 and air outlet valve 14, by argon filling tracheae 4 to closed chamber 7 applying argon gas, because argon gas is heavier than air, so, argon gas is in indoor bottom, along with argon gas amount increases, the air on top is discharged by emptying tracheae 5, be filled with argon gas continuously, and the oxygen content recording Exhaust Gas with meter specially in allowed band after, adjustment Ar inlet valve 13, and close air outlet valve 14, to ensure that in pipeline 10 to be welded, pressure is in slight positive pressure state, then welding, to be weldedly to complete, close Ar inlet valve 13, be cooled to after set point of temperature until welding bead, open air outlet valve 14, release the argon gas of closed chamber 7 inside, tow rope chain 12, shutoff is pulled out pipeline, welding completes.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (7)

1. the pipe plugging for argon protection welding, it is characterized in that: comprising: be arranged on the two-layer baffle plate of pipe ends to be welded, be clipped in high-temperature flexible material between two-layer baffle plate, wherein, adopt a tube connector to connect as one between the inner side of two-layer baffle plate, and form a closed chamber; Baffle plate is provided with several circular hole, and this circular hole runs through high-temperature flexible material, in laterally zygomorphic two circular holes of baffle edge, be separately installed with the air outlet slit adopting argon filling tracheae and emptying tracheae spreading and Ar inlet; A tow rope chain is connected with the center position of the baffle plate of argon filling tracheae, emptying tracheae homonymy; The end of argon filling tracheae, emptying tracheae is separately installed with one in whole welding operation process, in order to keep the air pressure in closed chamber higher than Ar inlet valve, the air outlet valve of the ambient atmosphere pressure outside closed chamber, and the front end of air outlet valve is provided with a Pressure gauge in order to keep manifold pressure to be welded to be in slight positive pressure state.
2. the pipe plugging for argon protection welding according to claim 1, is characterized in that: described baffle plate adopts corrosion resistant plate material, and shape is: the circle matched with pipeline.
3. the pipe plugging for argon protection welding according to claim 1, is characterized in that: described high-temperature flexible material is: high temperature resistant nylon or refractory fiber blanket, and the diameter of flexible material is greater than pipeline 10-15mm to be welded.
4. the pipe plugging for argon protection welding according to claim 1, is characterized in that: the welding bead place of described pipeline to be welded is wound with one week water-soluble adhesive tape.
5. the pipe plugging for argon protection welding according to claim 1, is characterized in that: described air outlet slit, Ar inlet all adopt the stainless steel tube of band snap joint.
6. the pipe plugging for argon protection welding according to claim 1, is characterized in that: described argon filling tracheae, emptying tracheae all adopt the flexible pipe of band snap joint.
7. the pipe plugging for argon protection welding according to claim 1, is characterized in that: described tube connector is corrugated stainless steel tubing.
CN201420770887.8U 2014-12-09 2014-12-09 For the pipe plugging of argon protection welding Expired - Fee Related CN204366249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420770887.8U CN204366249U (en) 2014-12-09 2014-12-09 For the pipe plugging of argon protection welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420770887.8U CN204366249U (en) 2014-12-09 2014-12-09 For the pipe plugging of argon protection welding

Publications (1)

Publication Number Publication Date
CN204366249U true CN204366249U (en) 2015-06-03

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105195935A (en) * 2015-10-20 2015-12-30 南京奥特电气股份有限公司 Flexible gas protection device for pipeline welding
CN105345240A (en) * 2015-12-22 2016-02-24 合肥实华管件有限责任公司 Argon filling tool
CN107825009A (en) * 2017-10-31 2018-03-23 中国核工业二三建设有限公司 A kind of air inflation protecting device for welding of pipeline
CN108080771A (en) * 2017-12-25 2018-05-29 福建福清核电有限公司 Instrument and method are established in a kind of argon gas room
CN108213787A (en) * 2017-12-20 2018-06-29 中冶天工集团有限公司 One kind welds argon filling sealing device for stainless steel pipes
CN108568582A (en) * 2018-04-24 2018-09-25 天津军勇利预应力制品有限公司 A kind of welding method of corrugated conduit
CN108655544A (en) * 2017-03-27 2018-10-16 中国二十冶集团有限公司 Stainless steel pipes weld argon gas pressurize saving construction method
CN109277729A (en) * 2018-10-18 2019-01-29 中船澄西船舶修造有限公司 A kind of steel-pipe welding protection gas tooling
CN109738422A (en) * 2018-12-13 2019-05-10 中冶天工集团有限公司 A method of checking pipeline argon gas inside filling degree
CN109945009A (en) * 2019-04-17 2019-06-28 海洋石油工程(青岛)有限公司 Stainless steel tube wire bonding argon filling blocks air bag
CN110355448A (en) * 2019-07-09 2019-10-22 福建福清核电有限公司 Stainless steel or dissimilar steel branch pipe welding back side argon-filled protection device
CN111604573A (en) * 2020-04-27 2020-09-01 中船澄西船舶修造有限公司 Protective gas plugging tool for butt welding of steel pipes
CN111673238A (en) * 2020-05-12 2020-09-18 中船澄西船舶修造有限公司 Stainless steel pipe welding back protection inflation tool
CN112605505A (en) * 2020-11-30 2021-04-06 成都飞机工业(集团)有限责任公司 Welding gas protection and air pressure regulation and control device for inner wall of pipe
CN112923779A (en) * 2021-02-05 2021-06-08 西安热工研究院有限公司 Circulating water pipe isolation device and isolation method in condenser chemical cleaning process
CN113042854A (en) * 2021-05-07 2021-06-29 郑州宇通重工有限公司 Titanium alloy pipe fitting welding method
CN113770496A (en) * 2021-09-01 2021-12-10 沪东中华造船(集团)有限公司 Ship fuel pipe welding inflation device and use method thereof

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105195935A (en) * 2015-10-20 2015-12-30 南京奥特电气股份有限公司 Flexible gas protection device for pipeline welding
CN105345240A (en) * 2015-12-22 2016-02-24 合肥实华管件有限责任公司 Argon filling tool
CN108655544A (en) * 2017-03-27 2018-10-16 中国二十冶集团有限公司 Stainless steel pipes weld argon gas pressurize saving construction method
CN107825009A (en) * 2017-10-31 2018-03-23 中国核工业二三建设有限公司 A kind of air inflation protecting device for welding of pipeline
CN108213787B (en) * 2017-12-20 2020-06-02 中冶天工集团有限公司 Argon filling sealing device for stainless steel pipeline welding
CN108213787A (en) * 2017-12-20 2018-06-29 中冶天工集团有限公司 One kind welds argon filling sealing device for stainless steel pipes
CN108080771A (en) * 2017-12-25 2018-05-29 福建福清核电有限公司 Instrument and method are established in a kind of argon gas room
CN108080771B (en) * 2017-12-25 2023-10-20 福建福清核电有限公司 Argon chamber establishment tool and method
CN108568582A (en) * 2018-04-24 2018-09-25 天津军勇利预应力制品有限公司 A kind of welding method of corrugated conduit
CN109277729A (en) * 2018-10-18 2019-01-29 中船澄西船舶修造有限公司 A kind of steel-pipe welding protection gas tooling
CN109277729B (en) * 2018-10-18 2020-12-04 中船澄西船舶修造有限公司 Steel pipe welding protective gas tool
CN109738422A (en) * 2018-12-13 2019-05-10 中冶天工集团有限公司 A method of checking pipeline argon gas inside filling degree
CN109945009A (en) * 2019-04-17 2019-06-28 海洋石油工程(青岛)有限公司 Stainless steel tube wire bonding argon filling blocks air bag
CN110355448A (en) * 2019-07-09 2019-10-22 福建福清核电有限公司 Stainless steel or dissimilar steel branch pipe welding back side argon-filled protection device
CN111604573A (en) * 2020-04-27 2020-09-01 中船澄西船舶修造有限公司 Protective gas plugging tool for butt welding of steel pipes
CN111673238A (en) * 2020-05-12 2020-09-18 中船澄西船舶修造有限公司 Stainless steel pipe welding back protection inflation tool
CN112605505A (en) * 2020-11-30 2021-04-06 成都飞机工业(集团)有限责任公司 Welding gas protection and air pressure regulation and control device for inner wall of pipe
CN112923779A (en) * 2021-02-05 2021-06-08 西安热工研究院有限公司 Circulating water pipe isolation device and isolation method in condenser chemical cleaning process
CN113042854A (en) * 2021-05-07 2021-06-29 郑州宇通重工有限公司 Titanium alloy pipe fitting welding method
CN113770496A (en) * 2021-09-01 2021-12-10 沪东中华造船(集团)有限公司 Ship fuel pipe welding inflation device and use method thereof

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing

Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd.

Patentee after: CHINA NATIONAL OFFSHORE OIL Corp.

Co-patentee after: OFFSHORE OIL ENGINEERING (QINGDAO) Co.,Ltd.

Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing

Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd.

Patentee before: CHINA NATIONAL OFFSHORE OIL Corp.

Co-patentee before: OFFSHORE OIL ENGINEERING (QINGDAO) Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150603

Termination date: 20211209